CA2384506A1 - Compact field emission electron gun and focus lens - Google Patents

Compact field emission electron gun and focus lens Download PDF

Info

Publication number
CA2384506A1
CA2384506A1 CA002384506A CA2384506A CA2384506A1 CA 2384506 A1 CA2384506 A1 CA 2384506A1 CA 002384506 A CA002384506 A CA 002384506A CA 2384506 A CA2384506 A CA 2384506A CA 2384506 A1 CA2384506 A1 CA 2384506A1
Authority
CA
Canada
Prior art keywords
integrated
focus lens
cathode
lens
field emission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002384506A
Other languages
English (en)
French (fr)
Inventor
Rich Gorski
Keith D. Jamison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Extreme Devices Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2384506A1 publication Critical patent/CA2384506A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
    • H01J3/022—Electron guns using a field emission, photo emission, or secondary emission electron source with microengineered cathode, e.g. Spindt-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H01J2201/30446—Field emission cathodes characterised by the emitter material
    • H01J2201/30453—Carbon types
    • H01J2201/30457—Diamond

Landscapes

  • Cold Cathode And The Manufacture (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CA002384506A 1999-07-19 2000-06-21 Compact field emission electron gun and focus lens Abandoned CA2384506A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/356,851 US6255768B1 (en) 1999-07-19 1999-07-19 Compact field emission electron gun and focus lens
US09/356,851 1999-07-19
PCT/US2000/017065 WO2001006531A1 (en) 1999-07-19 2000-06-21 Compact field emission electron gun and focus lens

Publications (1)

Publication Number Publication Date
CA2384506A1 true CA2384506A1 (en) 2001-01-25

Family

ID=23403230

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002384506A Abandoned CA2384506A1 (en) 1999-07-19 2000-06-21 Compact field emission electron gun and focus lens

Country Status (11)

Country Link
US (1) US6255768B1 (ru)
EP (1) EP1198819A4 (ru)
JP (1) JP2003505833A (ru)
KR (1) KR20020038696A (ru)
CN (1) CN1369104A (ru)
AU (1) AU5630200A (ru)
CA (1) CA2384506A1 (ru)
MX (1) MXPA02000664A (ru)
RU (1) RU2002102078A (ru)
TW (1) TW477997B (ru)
WO (1) WO2001006531A1 (ru)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6429596B1 (en) 1999-12-31 2002-08-06 Extreme Devices, Inc. Segmented gate drive for dynamic beam shape correction in field emission cathodes
US6683414B2 (en) * 2001-10-25 2004-01-27 Northrop Grumman Corporation Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters
CN1258204C (zh) * 2002-05-16 2006-05-31 中山大学 一种冷阴极电子枪
US20040232857A1 (en) * 2003-03-14 2004-11-25 Takashi Itoh CRT device with reduced fluctuations of beam diameter due to brightness change
KR100866980B1 (ko) 2006-11-16 2008-11-05 한국전기연구원 평판형 냉음극 전자총
KR101420244B1 (ko) * 2008-05-20 2014-07-21 재단법인서울대학교산학협력재단 전자빔 집속 전극 및 이를 이용한 전자총
DE202013101190U1 (de) * 2013-03-20 2014-06-24 Zumtobel Lighting Gmbh Anordnung zur Lichtabgabe mit einer LED, einer Platine und einem optischen Element
CN106128908B (zh) * 2016-07-26 2017-09-29 西北核技术研究所 一种皮尔斯电子枪的设计方法
CN110085503B (zh) * 2019-05-06 2021-02-12 北京师范大学 一种可调束斑的场发射冷阴极电子源器件及其制备方法
EP4046179A4 (en) * 2019-10-16 2024-03-13 Us Electron Inc ELECTRON BEAM WELDING SYSTEMS USING PLASMA CATHODE
CN116190178B (zh) * 2023-04-20 2023-06-23 能量奇点能源科技(上海)有限公司 一种冷阴极电子枪

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753022A (en) 1971-04-26 1973-08-14 Us Army Miniature, directed, electron-beam source
US4178531A (en) 1977-06-15 1979-12-11 Rca Corporation CRT with field-emission cathode
US4498952A (en) 1982-09-17 1985-02-12 Condesin, Inc. Batch fabrication procedure for manufacture of arrays of field emitted electron beams with integral self-aligned optical lense in microguns
JPH05242794A (ja) 1991-11-29 1993-09-21 Motorola Inc 集積化された静電界レンズを有する電界放出デバイス
FR2685811A1 (fr) * 1991-12-31 1993-07-02 Commissariat Energie Atomique Systeme permettant de maitriser la forme d'un faisceau de particules chargees.
US5332945A (en) 1992-05-11 1994-07-26 Litton Systems, Inc. Pierce gun with grading electrode
US5343113A (en) 1992-08-28 1994-08-30 Chang Kern K N Cathode ray tube apparatus with reduced beam spot size
DE69316960T2 (de) * 1992-11-12 1998-07-30 Koninkl Philips Electronics Nv Elektronenröhre mit Halbleiterkathode
JPH0721903A (ja) 1993-07-01 1995-01-24 Nec Corp 電界放出型陰極を用いた陰極線管用電子銃構体
US5528103A (en) 1994-01-31 1996-06-18 Silicon Video Corporation Field emitter with focusing ridges situated to sides of gate
US5552659A (en) 1994-06-29 1996-09-03 Silicon Video Corporation Structure and fabrication of gated electron-emitting device having electron optics to reduce electron-beam divergence
JP2731733B2 (ja) 1994-11-29 1998-03-25 関西日本電気株式会社 電界放出冷陰極とこれを用いた表示装置
JP2812356B2 (ja) 1995-02-24 1998-10-22 日本電気株式会社 電界放出型電子銃
JP2809125B2 (ja) 1995-02-27 1998-10-08 日本電気株式会社 集束電極付電界放出型冷陰極
JPH08315721A (ja) 1995-05-19 1996-11-29 Nec Kansai Ltd 電界放出冷陰極
KR100266517B1 (ko) 1995-07-07 2000-09-15 가네꼬 히사시 전계 방출 냉 캐소드 및 개선된 게이트 구조를 갖는 전자 총
JP2947145B2 (ja) 1995-10-23 1999-09-13 日本電気株式会社 陰極線管を用いたディスプレイ装置
US5804910A (en) * 1996-01-18 1998-09-08 Micron Display Technology, Inc. Field emission displays with low function emitters and method of making low work function emitters
JP2910837B2 (ja) 1996-04-16 1999-06-23 日本電気株式会社 電界放出型電子銃
JP2907113B2 (ja) 1996-05-08 1999-06-21 日本電気株式会社 電子ビーム装置
JPH09306332A (ja) 1996-05-09 1997-11-28 Nec Corp 電界放出型電子銃
JPH09306376A (ja) 1996-05-09 1997-11-28 Mitsubishi Electric Corp 陰極線管用電子銃
JP2891196B2 (ja) * 1996-08-30 1999-05-17 日本電気株式会社 冷陰極電子銃およびこれを用いた電子ビーム装置
JP2907150B2 (ja) * 1996-09-27 1999-06-21 日本電気株式会社 冷陰極電子銃およびこれを用いた電子ビーム装置
JP2939943B2 (ja) 1996-11-01 1999-08-25 日本電気株式会社 冷陰極電子銃およびこれを備えたマイクロ波管装置
JP3107036B2 (ja) * 1998-03-20 2000-11-06 日本電気株式会社 冷陰極搭載電子管用電子銃

Also Published As

Publication number Publication date
EP1198819A1 (en) 2002-04-24
EP1198819A4 (en) 2002-11-06
WO2001006531A1 (en) 2001-01-25
US6255768B1 (en) 2001-07-03
MXPA02000664A (es) 2002-07-02
TW477997B (en) 2002-03-01
RU2002102078A (ru) 2003-08-27
KR20020038696A (ko) 2002-05-23
AU5630200A (en) 2001-02-05
JP2003505833A (ja) 2003-02-12
CN1369104A (zh) 2002-09-11

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Legal Events

Date Code Title Description
FZDE Discontinued